#xkcd 3027

[todays-xkcd]

Fermions are weird about each other in a standoffish way. Integer-spin particles are weird about each other in a 'stand uncomfortably close while talking' kind of way.

Exclusion Principle [Explained]

Transcript Under the Cut

[Inside the panel, there is an underlined header and a numbered list, with the fifth and last item in red:] Fundamental Forces 1. Gravity 2. Electromagnetism 3. The Weak Interaction 4. The Strong Interaction 5. Electrons are weird about each other

[Caption below the panel:] Big news: Physicists have finally given up trying to explain about the "exchange interaction" and agreed to just make the exclusion principle a force.